<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<input type="text" id="i1" placeholder="姓名">
<input type="text" id="i2" placeholder="工资">
<input type="text" id="i3" placeholder="工作">
<input type="button" value="添加" onclick="f()">
<table border="1">
    <tr>
        <th>姓名</th>
        <th>工资</th>
        <th>工作</th>
    </tr>
</table>
<script>
    let t1 = document.querySelector("#i1")
    let t2 = document.querySelector("#i2")
    let t3 = document.querySelector("#i3")
    let table = document.querySelector("table")
    function f() {
        let tr = document.createElement("tr")
        let nameTd = document.createElement("td");
        let salaryTd = document.createElement("td");
        let jobTd = document.createElement("td");
        nameTd.innerText=t1.value
        salaryTd.innerText=t2.value
        jobTd.innerText=t3.value
        tr.append(nameTd,salaryTd,jobTd)
        table.append(tr)

    }
</script>
</body>
</html>